Join our Downer Professional Services team and play a key role in delivering complex defence and national security projects that safeguard Australia’s future.  

Downer Professional Services comprises of three business units our Technical, Advisory, and Capability consulting practice, and Team Downer, which partners with CASG and NSSG as a major service provider to Defence. Together, we are a multi-disciplinary advisory and delivery partner of choice for clients across Defence and National Security. 

We currently have multiple opportunities for Systems Engineers in Canberra to work with our Defence customer on Joint Sustainment projects.   

What You’ll Do  
  

This role offers a broad scope, with key role responsibilities including: 
 

• Maintain and manage engineering artefacts such as Systems Engineering Management Plans (SEMP) and Technical Certification Plans (TCP). 

• Support and guide engineering and configuration management activities, assisting Engineering and System Managers in ensuring compliance and effective delivery. 

• Develop and review capability requirements and procedural documentation, ensuring accuracy and alignment with technical and operational needs. 

• Interface between Engineering Manager and System Managers, collaborating on systems engineering, certification, and integration documentation. 

• Prepare for governance and assurance boards (CCBs and ERBs), perform quality control on vendor documentation, and contribute to engineering audits. 

 
What You’ll Bring 
 

• CASG Project Engineering Expertise: Demonstrated experience in Defence project engineering activities, planning, and systems engineering. 

• Technical Risk & Safety Management: Proven familiarity with software system safety, security, and managing complex technical risks. 

• Defence Systems Knowledge: Exposure to Defence Command and Control (C2) systems and applications. 

• Core Technical Competence: Good understanding of modern networking, computers, and operating systems, supported by advanced technical writing skills. 

• Professional Capability: Effective stakeholder engagement and communication skills, with engineering qualifications and the ability to work independently, showing initiative and responsibility. 

Due to the nature of the work, you are required to currently hold and maintain a minimum Negative Vetting 1 or higher Security clearance as required by the Commonwealth. In some instances, compliance with International Traffic in Arms Regulations (ITAR) requirements may also be an inherent requirement. 
  

More than anything, you’ll bring a strong work ethic, a positive attitude, and a commitment to delivering high-quality outcomes for our clients. 

Why Downer Professional Services 
  

At Downer Professional Services, we’re not just a workplace - we’re a business dedicated to contributing to the shaping of the future of defence in Australia. As the country’s only sovereign prime, we’re committed to making a real difference in protecting Australia’s interests.  

What is means to belong at Downer Professional Services  

• Meaningful work: Help to deliver critical Defence projects that protect Australia and shape its future. 

• Professional development: Access career mapping, accelerated learning programs, and shared learning through our Communities of Practice. 

• Great perks: Enjoy discounts on healthcare, retail, vehicles, and more through Perks@Downer. 

• Veteran support: Benefit from initiatives like up to 20 days of Reservist Leave to stay connected post-service. 

You want your work to matter and so do we.  With over 26,000 people across Australia, New Zealand and the Pacific, our team is made up of individuals with unique perspectives, backgrounds, and ideas. 

We know that diversity makes us stronger and we actively celebrate it through our commitment to inclusion and belonging. 

We’re committed to building a team that reflects the diverse communities we serve and we welcome people of all ages, genders, sexual orientations, cultures, abilities, and lived experiences. We especially encourage applications from those whose voices have traditionally been underrepresented in our industry, including women, Aboriginal and Torres Strait Islander Peoples, Māori and Pasifika Peoples, veterans, people with disability, and neurodivergent individuals.  Even if your experience doesn’t align perfectly with this role, we’d still like to hear from you. If it feels like the right fit, apply - potential counts, and so do you. 

As a WORK180 Endorsed Employer, we support flexibility that works for your life, inclusive leadership that values your voice, and equitable access to opportunity so you can do your best work and bring your whole self to it.